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The California State Teachers’ Retirement System (CalSTRS) provides one example of what leveraging public equities at a system level looks like in practice. It has determined that climate change is a systemic risk and developed a multiyear, multi-asset-class, internally managed Low-Carbon Index (LCI) for passive equity management. Launched in 2017 with a $2.5 billion commitment, the LCI is made up of stocks in all industries in all markets (US, developed, and emerging) around the world. CalSTRS’s goal is for these holdings to have reduced carbon emissions and reserves in each market by between 61 percent and 93 percent in the coming years.4 Since passive index funds hold hundreds, if not thousands, of stocks across all industries, the CalSTRS index will paint a picture of what the future should look like in all companies around the world, in effect setting a benchmark and model for the environmental performance of large corporations on climate change.
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William Burckart (21st Century Investing: Redirecting Financial Strategies to Drive Systems Change)